[llvm] r339441 - [InstCombine][NFC] Added tests for select with binop fold
David Bolvansky via llvm-commits
llvm-commits at lists.llvm.org
Fri Aug 10 08:29:10 PDT 2018
Author: xbolva00
Date: Fri Aug 10 08:29:09 2018
New Revision: 339441
URL: http://llvm.org/viewvc/llvm-project?rev=339441&view=rev
Log:
[InstCombine][NFC] Added tests for select with binop fold
Modified:
llvm/trunk/test/Transforms/InstCombine/select-binop-icmp.ll
Modified: llvm/trunk/test/Transforms/InstCombine/select-binop-icmp.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstCombine/select-binop-icmp.ll?rev=339441&r1=339440&r2=339441&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/InstCombine/select-binop-icmp.ll (original)
+++ llvm/trunk/test/Transforms/InstCombine/select-binop-icmp.ll Fri Aug 10 08:29:09 2018
@@ -2,6 +2,7 @@
; RUN: opt < %s -instcombine -S | FileCheck %s
declare void @use(<2 x i1>)
+declare void @use2(i1)
define i32 @select_xor_icmp(i32 %x, i32 %y, i32 %z) {
; CHECK-LABEL: @select_xor_icmp(
@@ -127,19 +128,21 @@ define i32 @select_xor_inv_icmp(i32 %x,
define i32 @select_xor_inv_icmp2(i32 %x, i32 %y, i32 %z) {
; CHECK-LABEL: @select_xor_inv_icmp2(
-; CHECK-NEXT: [[A:%.*]] = icmp eq i32 [[X:%.*]], 0
-; CHECK-NEXT: [[C:%.*]] = select i1 [[A]], i32 [[Z:%.*]], i32 [[Y:%.*]]
+; CHECK-NEXT: [[A:%.*]] = icmp ne i32 [[X:%.*]], 0
+; CHECK-NEXT: call void @use2(i1 [[A]])
+; CHECK-NEXT: [[C:%.*]] = select i1 [[A]], i32 [[Y:%.*]], i32 [[Z:%.*]]
; CHECK-NEXT: ret i32 [[C]]
;
%A = icmp ne i32 %x, 0
+ call void @use2(i1 %A)
%B = xor i32 %x, %z
%C = select i1 %A, i32 %y, i32 %B
ret i32 %C
}
-; TODO: Support for FP opcodes
-define float @select_fadd_icmp(float %x, float %y, float %z) {
-; CHECK-LABEL: @select_fadd_icmp(
+; TODO: FP opcodes support
+define float @select_fadd_fcmp(float %x, float %y, float %z) {
+; CHECK-LABEL: @select_fadd_fcmp(
; CHECK-NEXT: [[A:%.*]] = fcmp oeq float [[X:%.*]], -0.000000e+00
; CHECK-NEXT: [[B:%.*]] = fadd float [[X]], [[Z:%.*]]
; CHECK-NEXT: [[C:%.*]] = select i1 [[A]], float [[B]], float [[Y:%.*]]
@@ -151,8 +154,8 @@ define float @select_fadd_icmp(float %x,
ret float %C
}
-define float @select_fadd_icmp2(float %x, float %y, float %z) {
-; CHECK-LABEL: @select_fadd_icmp2(
+define float @select_fadd_fcmp_2(float %x, float %y, float %z) {
+; CHECK-LABEL: @select_fadd_fcmp_2(
; CHECK-NEXT: [[A:%.*]] = fcmp ueq float [[X:%.*]], -0.000000e+00
; CHECK-NEXT: [[B:%.*]] = fadd float [[X]], [[Z:%.*]]
; CHECK-NEXT: [[C:%.*]] = select i1 [[A]], float [[B]], float [[Y:%.*]]
@@ -164,8 +167,34 @@ define float @select_fadd_icmp2(float %x
ret float %C
}
-define float @select_fmul_icmp(float %x, float %y, float %z) {
-; CHECK-LABEL: @select_fmul_icmp(
+define float @select_fadd_fcmp_3(float %x, float %y, float %z) {
+; CHECK-LABEL: @select_fadd_fcmp_3(
+; CHECK-NEXT: [[A:%.*]] = fcmp one float [[X:%.*]], -0.000000e+00
+; CHECK-NEXT: [[B:%.*]] = fadd float [[X]], [[Z:%.*]]
+; CHECK-NEXT: [[C:%.*]] = select i1 [[A]], float [[B]], float [[Y:%.*]]
+; CHECK-NEXT: ret float [[C]]
+;
+ %A = fcmp one float %x, -0.0
+ %B = fadd float %x, %z
+ %C = select i1 %A, float %B, float %y
+ ret float %C
+}
+
+define float @select_fadd_fcmp_4(float %x, float %y, float %z) {
+; CHECK-LABEL: @select_fadd_fcmp_4(
+; CHECK-NEXT: [[A:%.*]] = fcmp une float [[X:%.*]], -0.000000e+00
+; CHECK-NEXT: [[B:%.*]] = fadd float [[X]], [[Z:%.*]]
+; CHECK-NEXT: [[C:%.*]] = select i1 [[A]], float [[B]], float [[Y:%.*]]
+; CHECK-NEXT: ret float [[C]]
+;
+ %A = fcmp une float %x, -0.0
+ %B = fadd float %x, %z
+ %C = select i1 %A, float %B, float %y
+ ret float %C
+}
+
+define float @select_fmul_fcmp(float %x, float %y, float %z) {
+; CHECK-LABEL: @select_fmul_fcmp(
; CHECK-NEXT: [[A:%.*]] = fcmp oeq float [[X:%.*]], 1.000000e+00
; CHECK-NEXT: [[B:%.*]] = fmul float [[X]], [[Z:%.*]]
; CHECK-NEXT: [[C:%.*]] = select i1 [[A]], float [[B]], float [[Y:%.*]]
@@ -177,29 +206,97 @@ define float @select_fmul_icmp(float %x,
ret float %C
}
-; TODO: Support for non-commutative opcodes
+define float @select_fsub_fcmp(float %x, float %y, float %z) {
+; CHECK-LABEL: @select_fsub_fcmp(
+; CHECK-NEXT: [[A:%.*]] = fcmp oeq float [[X:%.*]], 0.000000e+00
+; CHECK-NEXT: [[B:%.*]] = fsub float [[X]], [[Z:%.*]]
+; CHECK-NEXT: [[C:%.*]] = select i1 [[A]], float [[B]], float [[Y:%.*]]
+; CHECK-NEXT: ret float [[C]]
+;
+ %A = fcmp oeq float %x, 0.0
+ %B = fsub float %x, %z
+ %C = select i1 %A, float %B, float %y
+ ret float %C
+}
+
+define float @select_fdiv_fcmp(float %x, float %y, float %z) {
+; CHECK-LABEL: @select_fdiv_fcmp(
+; CHECK-NEXT: [[A:%.*]] = fcmp oeq float [[X:%.*]], 1.000000e+00
+; CHECK-NEXT: [[B:%.*]] = fdiv float [[X]], [[Z:%.*]]
+; CHECK-NEXT: [[C:%.*]] = select i1 [[A]], float [[B]], float [[Y:%.*]]
+; CHECK-NEXT: ret float [[C]]
+;
+ %A = fcmp oeq float %x, 1.0
+ %B = fdiv float %x, %z
+ %C = select i1 %A, float %B, float %y
+ ret float %C
+}
+
define i32 @select_sub_icmp(i32 %x, i32 %y, i32 %z) {
; CHECK-LABEL: @select_sub_icmp(
; CHECK-NEXT: [[A:%.*]] = icmp eq i32 [[X:%.*]], 0
-; CHECK-NEXT: [[B:%.*]] = sub i32 [[X]], [[Z:%.*]]
+; CHECK-NEXT: [[B:%.*]] = sub i32 [[Z:%.*]], [[X]]
; CHECK-NEXT: [[C:%.*]] = select i1 [[A]], i32 [[B]], i32 [[Y:%.*]]
; CHECK-NEXT: ret i32 [[C]]
;
%A = icmp eq i32 %x, 0
- %B = sub i32 %x, %z
+ %B = sub i32 %z, %x
+ %C = select i1 %A, i32 %B, i32 %y
+ ret i32 %C
+}
+
+define i32 @select_sub_icmp_2(i32 %x, i32 %y, i32 %z) {
+; CHECK-LABEL: @select_sub_icmp_2(
+; CHECK-NEXT: [[A:%.*]] = icmp eq i32 [[X:%.*]], 0
+; CHECK-NEXT: call void @use2(i1 [[A]])
+; CHECK-NEXT: [[B:%.*]] = sub i32 [[Z:%.*]], [[X]]
+; CHECK-NEXT: [[C:%.*]] = select i1 [[A]], i32 [[B]], i32 [[Y:%.*]]
+; CHECK-NEXT: ret i32 [[C]]
+;
+ %A = icmp eq i32 %x, 0
+ call void @use2(i1 %A)
+ %B = sub i32 %z, %x
%C = select i1 %A, i32 %B, i32 %y
ret i32 %C
}
+define i32 @select_sub_icmp_3(i32 %x, i32 %y, i32 %z) {
+; CHECK-LABEL: @select_sub_icmp_3(
+; CHECK-NEXT: [[A:%.*]] = icmp ne i32 [[X:%.*]], 0
+; CHECK-NEXT: call void @use2(i1 [[A]])
+; CHECK-NEXT: [[B:%.*]] = sub i32 [[Z:%.*]], [[X]]
+; CHECK-NEXT: [[C:%.*]] = select i1 [[A]], i32 [[Y:%.*]], i32 [[B]]
+; CHECK-NEXT: ret i32 [[C]]
+;
+ %A = icmp ne i32 %x, 0
+ call void @use2(i1 %A)
+ %B = sub i32 %z, %x
+ %C = select i1 %A, i32 %y, i32 %B
+ ret i32 %C
+}
+
+define <2 x i8> @select_sub_icmp_vec(<2 x i8> %x, <2 x i8> %y, <2 x i8> %z) {
+; CHECK-LABEL: @select_sub_icmp_vec(
+; CHECK-NEXT: [[A:%.*]] = icmp eq <2 x i8> [[X:%.*]], zeroinitializer
+; CHECK-NEXT: [[B:%.*]] = sub <2 x i8> [[Z:%.*]], [[X]]
+; CHECK-NEXT: [[C:%.*]] = select <2 x i1> [[A]], <2 x i8> [[B]], <2 x i8> [[Y:%.*]]
+; CHECK-NEXT: ret <2 x i8> [[C]]
+;
+ %A = icmp eq <2 x i8> %x, <i8 0, i8 0>
+ %B = sub <2 x i8> %z, %x
+ %C = select <2 x i1> %A, <2 x i8> %B, <2 x i8> %y
+ ret <2 x i8> %C
+}
+
define i32 @select_shl_icmp(i32 %x, i32 %y, i32 %z) {
; CHECK-LABEL: @select_shl_icmp(
; CHECK-NEXT: [[A:%.*]] = icmp eq i32 [[X:%.*]], 0
-; CHECK-NEXT: [[B:%.*]] = shl i32 [[X]], [[Z:%.*]]
+; CHECK-NEXT: [[B:%.*]] = shl i32 [[Z:%.*]], [[X]]
; CHECK-NEXT: [[C:%.*]] = select i1 [[A]], i32 [[B]], i32 [[Y:%.*]]
; CHECK-NEXT: ret i32 [[C]]
;
%A = icmp eq i32 %x, 0
- %B = shl i32 %x, %z
+ %B = shl i32 %z, %x
%C = select i1 %A, i32 %B, i32 %y
ret i32 %C
}
@@ -207,12 +304,12 @@ define i32 @select_shl_icmp(i32 %x, i32
define i32 @select_lshr_icmp(i32 %x, i32 %y, i32 %z) {
; CHECK-LABEL: @select_lshr_icmp(
; CHECK-NEXT: [[A:%.*]] = icmp eq i32 [[X:%.*]], 0
-; CHECK-NEXT: [[B:%.*]] = lshr i32 [[X]], [[Z:%.*]]
+; CHECK-NEXT: [[B:%.*]] = lshr i32 [[Z:%.*]], [[X]]
; CHECK-NEXT: [[C:%.*]] = select i1 [[A]], i32 [[B]], i32 [[Y:%.*]]
; CHECK-NEXT: ret i32 [[C]]
;
%A = icmp eq i32 %x, 0
- %B = lshr i32 %x, %z
+ %B = lshr i32 %z, %x
%C = select i1 %A, i32 %B, i32 %y
ret i32 %C
}
@@ -220,12 +317,38 @@ define i32 @select_lshr_icmp(i32 %x, i32
define i32 @select_ashr_icmp(i32 %x, i32 %y, i32 %z) {
; CHECK-LABEL: @select_ashr_icmp(
; CHECK-NEXT: [[A:%.*]] = icmp eq i32 [[X:%.*]], 0
-; CHECK-NEXT: [[B:%.*]] = ashr i32 [[X]], [[Z:%.*]]
+; CHECK-NEXT: [[B:%.*]] = ashr i32 [[Z:%.*]], [[X]]
; CHECK-NEXT: [[C:%.*]] = select i1 [[A]], i32 [[B]], i32 [[Y:%.*]]
; CHECK-NEXT: ret i32 [[C]]
;
%A = icmp eq i32 %x, 0
- %B = ashr i32 %x, %z
+ %B = ashr i32 %z, %x
+ %C = select i1 %A, i32 %B, i32 %y
+ ret i32 %C
+}
+
+define i32 @select_udiv_icmp(i32 %x, i32 %y, i32 %z) {
+; CHECK-LABEL: @select_udiv_icmp(
+; CHECK-NEXT: [[A:%.*]] = icmp eq i32 [[X:%.*]], 1
+; CHECK-NEXT: [[B:%.*]] = udiv i32 [[Z:%.*]], [[X]]
+; CHECK-NEXT: [[C:%.*]] = select i1 [[A]], i32 [[B]], i32 [[Y:%.*]]
+; CHECK-NEXT: ret i32 [[C]]
+;
+ %A = icmp eq i32 %x, 1
+ %B = udiv i32 %z, %x
+ %C = select i1 %A, i32 %B, i32 %y
+ ret i32 %C
+}
+
+define i32 @select_sdiv_icmp(i32 %x, i32 %y, i32 %z) {
+; CHECK-LABEL: @select_sdiv_icmp(
+; CHECK-NEXT: [[A:%.*]] = icmp eq i32 [[X:%.*]], 1
+; CHECK-NEXT: [[B:%.*]] = sdiv i32 [[Z:%.*]], [[X]]
+; CHECK-NEXT: [[C:%.*]] = select i1 [[A]], i32 [[B]], i32 [[Y:%.*]]
+; CHECK-NEXT: ret i32 [[C]]
+;
+ %A = icmp eq i32 %x, 1
+ %B = sdiv i32 %z, %x
%C = select i1 %A, i32 %B, i32 %y
ret i32 %C
}
@@ -388,8 +511,8 @@ define i32 @select_or_icmp_bad(i32 %x, i
ret i32 %C
}
-define float @select_fadd_icmp_bad(float %x, float %y, float %z) {
-; CHECK-LABEL: @select_fadd_icmp_bad(
+define float @select_fadd_fcmp_bad(float %x, float %y, float %z) {
+; CHECK-LABEL: @select_fadd_fcmp_bad(
; CHECK-NEXT: [[A:%.*]] = fcmp oeq float [[X:%.*]], -1.000000e+00
; CHECK-NEXT: [[B:%.*]] = fadd float [[X]], [[Z:%.*]]
; CHECK-NEXT: [[C:%.*]] = select i1 [[A]], float [[B]], float [[Y:%.*]]
@@ -401,8 +524,8 @@ define float @select_fadd_icmp_bad(float
ret float %C
}
-define float @select_fadd_icmp_bad_2(float %x, float %y, float %z) {
-; CHECK-LABEL: @select_fadd_icmp_bad_2(
+define float @select_fadd_fcmp_bad_2(float %x, float %y, float %z) {
+; CHECK-LABEL: @select_fadd_fcmp_bad_2(
; CHECK-NEXT: [[A:%.*]] = fcmp ueq float [[X:%.*]], -1.000000e+00
; CHECK-NEXT: [[B:%.*]] = fadd float [[X]], [[Z:%.*]]
; CHECK-NEXT: [[C:%.*]] = select i1 [[A]], float [[B]], float [[Y:%.*]]
@@ -414,8 +537,36 @@ define float @select_fadd_icmp_bad_2(flo
ret float %C
}
-define float @select_fmul_icmp_bad(float %x, float %y, float %z) {
-; CHECK-LABEL: @select_fmul_icmp_bad(
+define float @select_fadd_fcmp_bad_3(float %x, float %y, float %z) {
+; CHECK-LABEL: @select_fadd_fcmp_bad_3(
+; CHECK-NEXT: [[A:%.*]] = fcmp one float [[X:%.*]], -0.000000e+00
+; CHECK-NEXT: [[B:%.*]] = fadd float [[X]], [[Z:%.*]]
+; CHECK-NEXT: [[C:%.*]] = select i1 [[A]], float [[Y:%.*]], float [[B]]
+; CHECK-NEXT: ret float [[C]]
+;
+ %A = fcmp one float %x, -0.0
+ %B = fadd float %x, %z
+ %C = select i1 %A, float %y, float %B
+ ret float %C
+}
+
+
+
+define float @select_fadd_fcmp_bad_4(float %x, float %y, float %z) {
+; CHECK-LABEL: @select_fadd_fcmp_bad_4(
+; CHECK-NEXT: [[A:%.*]] = fcmp une float [[X:%.*]], -0.000000e+00
+; CHECK-NEXT: [[B:%.*]] = fadd float [[X]], [[Z:%.*]]
+; CHECK-NEXT: [[C:%.*]] = select i1 [[A]], float [[Y:%.*]], float [[B]]
+; CHECK-NEXT: ret float [[C]]
+;
+ %A = fcmp une float %x, -0.0
+ %B = fadd float %x, %z
+ %C = select i1 %A, float %y, float %B
+ ret float %C
+}
+
+define float @select_fmul_fcmp_bad(float %x, float %y, float %z) {
+; CHECK-LABEL: @select_fmul_fcmp_bad(
; CHECK-NEXT: [[A:%.*]] = fcmp oeq float [[X:%.*]], 3.000000e+00
; CHECK-NEXT: [[B:%.*]] = fmul float [[X]], [[Z:%.*]]
; CHECK-NEXT: [[C:%.*]] = select i1 [[A]], float [[B]], float [[Y:%.*]]
@@ -427,8 +578,8 @@ define float @select_fmul_icmp_bad(float
ret float %C
}
-define float @select_fdiv_icmp_bad(float %x, float %y, float %z) {
-; CHECK-LABEL: @select_fdiv_icmp_bad(
+define float @select_fdiv_fcmp_bad(float %x, float %y, float %z) {
+; CHECK-LABEL: @select_fdiv_fcmp_bad(
; CHECK-NEXT: [[A:%.*]] = fcmp oeq float [[X:%.*]], 3.000000e+00
; CHECK-NEXT: [[B:%.*]] = fdiv float [[X]], [[Z:%.*]]
; CHECK-NEXT: [[C:%.*]] = select i1 [[A]], float [[B]], float [[Y:%.*]]
@@ -440,8 +591,8 @@ define float @select_fdiv_icmp_bad(float
ret float %C
}
-define float @select_fsub_icmp_bad(float %x, float %y, float %z) {
-; CHECK-LABEL: @select_fsub_icmp_bad(
+define float @select_fsub_fcmp_bad(float %x, float %y, float %z) {
+; CHECK-LABEL: @select_fsub_fcmp_bad(
; CHECK-NEXT: [[A:%.*]] = fcmp oeq float [[X:%.*]], 1.000000e+00
; CHECK-NEXT: [[B:%.*]] = fsub float [[X]], [[Z:%.*]]
; CHECK-NEXT: [[C:%.*]] = select i1 [[A]], float [[B]], float [[Y:%.*]]
@@ -455,25 +606,81 @@ define float @select_fsub_icmp_bad(float
define i32 @select_sub_icmp_bad(i32 %x, i32 %y, i32 %z) {
; CHECK-LABEL: @select_sub_icmp_bad(
-; CHECK-NEXT: [[A:%.*]] = icmp eq i32 [[X:%.*]], 1
+; CHECK-NEXT: [[A:%.*]] = icmp eq i32 [[X:%.*]], 0
; CHECK-NEXT: [[B:%.*]] = sub i32 [[X]], [[Z:%.*]]
; CHECK-NEXT: [[C:%.*]] = select i1 [[A]], i32 [[B]], i32 [[Y:%.*]]
; CHECK-NEXT: ret i32 [[C]]
;
- %A = icmp eq i32 %x, 1
+ %A = icmp eq i32 %x, 0
%B = sub i32 %x, %z
%C = select i1 %A, i32 %B, i32 %y
ret i32 %C
}
-define i32 @select_sub_icmp_bad_sub_inv(i32 %x, i32 %y, i32 %z) {
-; CHECK-LABEL: @select_sub_icmp_bad_sub_inv(
-; CHECK-NEXT: [[A:%.*]] = icmp eq i32 [[X:%.*]], 0
+define i32 @select_sub_icmp_bad_2(i32 %x, i32 %y, i32 %z) {
+; CHECK-LABEL: @select_sub_icmp_bad_2(
+; CHECK-NEXT: [[A:%.*]] = icmp eq i32 [[X:%.*]], 1
+; CHECK-NEXT: [[B:%.*]] = sub i32 [[Z:%.*]], [[X]]
+; CHECK-NEXT: [[C:%.*]] = select i1 [[A]], i32 [[B]], i32 [[Y:%.*]]
+; CHECK-NEXT: ret i32 [[C]]
+;
+ %A = icmp eq i32 %x, 1
+ %B = sub i32 %z, %x
+ %C = select i1 %A, i32 %B, i32 %y
+ ret i32 %C
+}
+
+define i32 @select_sub_icmp_bad_3(i32 %x, i32 %y, i32 %z) {
+; CHECK-LABEL: @select_sub_icmp_bad_3(
+; CHECK-NEXT: [[A:%.*]] = icmp ne i32 [[X:%.*]], 0
+; CHECK-NEXT: call void @use2(i1 [[A]])
+; CHECK-NEXT: [[B:%.*]] = sub i32 [[Z:%.*]], [[X]]
+; CHECK-NEXT: [[C:%.*]] = select i1 [[A]], i32 [[B]], i32 [[Y:%.*]]
+; CHECK-NEXT: ret i32 [[C]]
+;
+ %A = icmp ne i32 %x, 0
+ call void @use2(i1 %A)
+ %B = sub i32 %z, %x
+ %C = select i1 %A, i32 %B, i32 %y
+ ret i32 %C
+}
+
+define i32 @select_sub_icmp_4(i32 %x, i32 %y, i32 %z) {
+; CHECK-LABEL: @select_sub_icmp_4(
+; CHECK-NEXT: [[A:%.*]] = icmp ne i32 [[X:%.*]], 0
+; CHECK-NEXT: call void @use2(i1 [[A]])
; CHECK-NEXT: [[B:%.*]] = sub i32 [[Z:%.*]], [[X]]
; CHECK-NEXT: [[C:%.*]] = select i1 [[A]], i32 [[B]], i32 [[Y:%.*]]
; CHECK-NEXT: ret i32 [[C]]
;
+ %A = icmp ne i32 %x, 0
+ call void @use2(i1 %A)
+ %B = sub i32 %z, %x
+ %C = select i1 %A, i32 %B, i32 %y
+ ret i32 %C
+}
+
+define i32 @select_sub_icmp_bad_4(i32 %x, i32 %y, i32 %z, i32 %k) {
+; CHECK-LABEL: @select_sub_icmp_bad_4(
+; CHECK-NEXT: [[A:%.*]] = icmp eq i32 [[X:%.*]], 0
+; CHECK-NEXT: [[B:%.*]] = sub i32 [[Z:%.*]], [[K:%.*]]
+; CHECK-NEXT: [[C:%.*]] = select i1 [[A]], i32 [[B]], i32 [[Y:%.*]]
+; CHECK-NEXT: ret i32 [[C]]
+;
%A = icmp eq i32 %x, 0
+ %B = sub i32 %z, %k
+ %C = select i1 %A, i32 %B, i32 %y
+ ret i32 %C
+}
+
+define i32 @select_sub_icmp_bad_5(i32 %x, i32 %y, i32 %z, i32 %k) {
+; CHECK-LABEL: @select_sub_icmp_bad_5(
+; CHECK-NEXT: [[A:%.*]] = icmp eq i32 [[X:%.*]], [[K:%.*]]
+; CHECK-NEXT: [[B:%.*]] = sub i32 [[Z:%.*]], [[X]]
+; CHECK-NEXT: [[C:%.*]] = select i1 [[A]], i32 [[B]], i32 [[Y:%.*]]
+; CHECK-NEXT: ret i32 [[C]]
+;
+ %A = icmp eq i32 %x, %k
%B = sub i32 %z, %x
%C = select i1 %A, i32 %B, i32 %y
ret i32 %C
@@ -482,12 +689,12 @@ define i32 @select_sub_icmp_bad_sub_inv(
define i32 @select_shl_icmp_bad(i32 %x, i32 %y, i32 %z) {
; CHECK-LABEL: @select_shl_icmp_bad(
; CHECK-NEXT: [[A:%.*]] = icmp eq i32 [[X:%.*]], 1
-; CHECK-NEXT: [[B:%.*]] = shl i32 [[X]], [[Z:%.*]]
+; CHECK-NEXT: [[B:%.*]] = shl i32 [[Z:%.*]], [[X]]
; CHECK-NEXT: [[C:%.*]] = select i1 [[A]], i32 [[B]], i32 [[Y:%.*]]
; CHECK-NEXT: ret i32 [[C]]
;
%A = icmp eq i32 %x, 1
- %B = shl i32 %x, %z
+ %B = shl i32 %z, %x
%C = select i1 %A, i32 %B, i32 %y
ret i32 %C
}
@@ -495,12 +702,12 @@ define i32 @select_shl_icmp_bad(i32 %x,
define i32 @select_lshr_icmp_bad(i32 %x, i32 %y, i32 %z) {
; CHECK-LABEL: @select_lshr_icmp_bad(
; CHECK-NEXT: [[A:%.*]] = icmp eq i32 [[X:%.*]], 1
-; CHECK-NEXT: [[B:%.*]] = lshr i32 [[X]], [[Z:%.*]]
+; CHECK-NEXT: [[B:%.*]] = lshr i32 [[Z:%.*]], [[X]]
; CHECK-NEXT: [[C:%.*]] = select i1 [[A]], i32 [[B]], i32 [[Y:%.*]]
; CHECK-NEXT: ret i32 [[C]]
;
%A = icmp eq i32 %x, 1
- %B = lshr i32 %x, %z
+ %B = lshr i32 %z, %x
%C = select i1 %A, i32 %B, i32 %y
ret i32 %C
}
@@ -508,12 +715,38 @@ define i32 @select_lshr_icmp_bad(i32 %x,
define i32 @select_ashr_icmp_bad(i32 %x, i32 %y, i32 %z) {
; CHECK-LABEL: @select_ashr_icmp_bad(
; CHECK-NEXT: [[A:%.*]] = icmp eq i32 [[X:%.*]], 1
-; CHECK-NEXT: [[B:%.*]] = ashr i32 [[X]], [[Z:%.*]]
+; CHECK-NEXT: [[B:%.*]] = ashr i32 [[Z:%.*]], [[X]]
; CHECK-NEXT: [[C:%.*]] = select i1 [[A]], i32 [[B]], i32 [[Y:%.*]]
; CHECK-NEXT: ret i32 [[C]]
;
%A = icmp eq i32 %x, 1
- %B = ashr i32 %x, %z
+ %B = ashr i32 %z, %x
+ %C = select i1 %A, i32 %B, i32 %y
+ ret i32 %C
+}
+
+define i32 @select_udiv_icmp_bad(i32 %x, i32 %y, i32 %z) {
+; CHECK-LABEL: @select_udiv_icmp_bad(
+; CHECK-NEXT: [[A:%.*]] = icmp eq i32 [[X:%.*]], 3
+; CHECK-NEXT: [[B:%.*]] = udiv i32 [[Z:%.*]], [[X]]
+; CHECK-NEXT: [[C:%.*]] = select i1 [[A]], i32 [[B]], i32 [[Y:%.*]]
+; CHECK-NEXT: ret i32 [[C]]
+;
+ %A = icmp eq i32 %x, 3
+ %B = udiv i32 %z, %x
+ %C = select i1 %A, i32 %B, i32 %y
+ ret i32 %C
+}
+
+define i32 @select_sdiv_icmp_bad(i32 %x, i32 %y, i32 %z) {
+; CHECK-LABEL: @select_sdiv_icmp_bad(
+; CHECK-NEXT: [[A:%.*]] = icmp eq i32 [[X:%.*]], 3
+; CHECK-NEXT: [[B:%.*]] = sdiv i32 [[Z:%.*]], [[X]]
+; CHECK-NEXT: [[C:%.*]] = select i1 [[A]], i32 [[B]], i32 [[Y:%.*]]
+; CHECK-NEXT: ret i32 [[C]]
+;
+ %A = icmp eq i32 %x, 3
+ %B = sdiv i32 %z, %x
%C = select i1 %A, i32 %B, i32 %y
ret i32 %C
}
More information about the llvm-commits
mailing list