[llvm] r364433 - [NFC][InstCombine] Revisit one-use tests in shift-amount-reassociation-in-bittest.ll
Roman Lebedev via llvm-commits
llvm-commits at lists.llvm.org
Wed Jun 26 07:42:40 PDT 2019
Author: lebedevri
Date: Wed Jun 26 07:42:39 2019
New Revision: 364433
URL: http://llvm.org/viewvc/llvm-project?rev=364433&view=rev
Log:
[NFC][InstCombine] Revisit one-use tests in shift-amount-reassociation-in-bittest.ll
Modified:
llvm/trunk/test/Transforms/InstCombine/shift-amount-reassociation-in-bittest.ll
Modified: llvm/trunk/test/Transforms/InstCombine/shift-amount-reassociation-in-bittest.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstCombine/shift-amount-reassociation-in-bittest.ll?rev=364433&r1=364432&r2=364433&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/InstCombine/shift-amount-reassociation-in-bittest.ll (original)
+++ llvm/trunk/test/Transforms/InstCombine/shift-amount-reassociation-in-bittest.ll Wed Jun 26 07:42:39 2019
@@ -260,22 +260,72 @@ declare void @use32(i32)
define i1 @t16_const_oneuse0(i32 %x, i32 %y) {
; CHECK-LABEL: @t16_const_oneuse0(
; CHECK-NEXT: [[T0:%.*]] = lshr i32 [[X:%.*]], 1
+; CHECK-NEXT: call void @use32(i32 [[T0]])
; CHECK-NEXT: [[T1:%.*]] = shl i32 [[Y:%.*]], 1
; CHECK-NEXT: [[T2:%.*]] = and i32 [[T1]], [[T0]]
-; CHECK-NEXT: call void @use32(i32 [[T2]])
; CHECK-NEXT: [[T3:%.*]] = icmp ne i32 [[T2]], 0
; CHECK-NEXT: ret i1 [[T3]]
;
%t0 = lshr i32 %x, 1
+ call void @use32(i32 %t0)
%t1 = shl i32 %y, 1
%t2 = and i32 %t1, %t0
- call void @use32(i32 %t2)
%t3 = icmp ne i32 %t2, 0
ret i1 %t3
}
define i1 @t17_const_oneuse1(i32 %x, i32 %y) {
; CHECK-LABEL: @t17_const_oneuse1(
; CHECK-NEXT: [[T0:%.*]] = lshr i32 [[X:%.*]], 1
+; CHECK-NEXT: [[T1:%.*]] = shl i32 [[Y:%.*]], 1
+; CHECK-NEXT: call void @use32(i32 [[T1]])
+; CHECK-NEXT: [[T2:%.*]] = and i32 [[T1]], [[T0]]
+; CHECK-NEXT: [[T3:%.*]] = icmp ne i32 [[T2]], 0
+; CHECK-NEXT: ret i1 [[T3]]
+;
+ %t0 = lshr i32 %x, 1
+ %t1 = shl i32 %y, 1
+ call void @use32(i32 %t1)
+ %t2 = and i32 %t1, %t0
+ %t3 = icmp ne i32 %t2, 0
+ ret i1 %t3
+}
+define i1 @t18_const_oneuse2(i32 %x, i32 %y) {
+; CHECK-LABEL: @t18_const_oneuse2(
+; CHECK-NEXT: [[T0:%.*]] = lshr i32 [[X:%.*]], 1
+; CHECK-NEXT: [[T1:%.*]] = shl i32 [[Y:%.*]], 1
+; CHECK-NEXT: [[T2:%.*]] = and i32 [[T1]], [[T0]]
+; CHECK-NEXT: call void @use32(i32 [[T2]])
+; CHECK-NEXT: [[T3:%.*]] = icmp ne i32 [[T2]], 0
+; CHECK-NEXT: ret i1 [[T3]]
+;
+ %t0 = lshr i32 %x, 1
+ %t1 = shl i32 %y, 1
+ %t2 = and i32 %t1, %t0
+ call void @use32(i32 %t2)
+ %t3 = icmp ne i32 %t2, 0
+ ret i1 %t3
+}
+define i1 @t19_const_oneuse3(i32 %x, i32 %y) {
+; CHECK-LABEL: @t19_const_oneuse3(
+; CHECK-NEXT: [[T0:%.*]] = lshr i32 [[X:%.*]], 1
+; CHECK-NEXT: call void @use32(i32 [[T0]])
+; CHECK-NEXT: [[T1:%.*]] = shl i32 [[Y:%.*]], 1
+; CHECK-NEXT: call void @use32(i32 [[T1]])
+; CHECK-NEXT: [[T2:%.*]] = and i32 [[T1]], [[T0]]
+; CHECK-NEXT: [[T3:%.*]] = icmp ne i32 [[T2]], 0
+; CHECK-NEXT: ret i1 [[T3]]
+;
+ %t0 = lshr i32 %x, 1
+ call void @use32(i32 %t0)
+ %t1 = shl i32 %y, 1
+ call void @use32(i32 %t1)
+ %t2 = and i32 %t1, %t0
+ %t3 = icmp ne i32 %t2, 0
+ ret i1 %t3
+}
+define i1 @t20_const_oneuse4(i32 %x, i32 %y) {
+; CHECK-LABEL: @t20_const_oneuse4(
+; CHECK-NEXT: [[T0:%.*]] = lshr i32 [[X:%.*]], 1
; CHECK-NEXT: call void @use32(i32 [[T0]])
; CHECK-NEXT: [[T1:%.*]] = shl i32 [[Y:%.*]], 1
; CHECK-NEXT: [[T2:%.*]] = and i32 [[T1]], [[T0]]
@@ -291,8 +341,8 @@ define i1 @t17_const_oneuse1(i32 %x, i32
%t3 = icmp ne i32 %t2, 0
ret i1 %t3
}
-define i1 @t18_const_oneuse2(i32 %x, i32 %y) {
-; CHECK-LABEL: @t18_const_oneuse2(
+define i1 @t21_const_oneuse5(i32 %x, i32 %y) {
+; CHECK-LABEL: @t21_const_oneuse5(
; CHECK-NEXT: [[T0:%.*]] = lshr i32 [[X:%.*]], 1
; CHECK-NEXT: [[T1:%.*]] = shl i32 [[Y:%.*]], 1
; CHECK-NEXT: call void @use32(i32 [[T1]])
@@ -309,8 +359,8 @@ define i1 @t18_const_oneuse2(i32 %x, i32
%t3 = icmp ne i32 %t2, 0
ret i1 %t3
}
-define i1 @t19_const_oneuse2(i32 %x, i32 %y) {
-; CHECK-LABEL: @t19_const_oneuse2(
+define i1 @t22_const_oneuse6(i32 %x, i32 %y) {
+; CHECK-LABEL: @t22_const_oneuse6(
; CHECK-NEXT: [[T0:%.*]] = lshr i32 [[X:%.*]], 1
; CHECK-NEXT: call void @use32(i32 [[T0]])
; CHECK-NEXT: [[T1:%.*]] = shl i32 [[Y:%.*]], 1
@@ -330,8 +380,40 @@ define i1 @t19_const_oneuse2(i32 %x, i32
ret i1 %t3
}
-define i1 @t17_variable_oneuse0(i32 %x, i32 %y, i32 %shamt0, i32 %shamt1) {
-; CHECK-LABEL: @t17_variable_oneuse0(
+define i1 @t23_var_oneuse0(i32 %x, i32 %y, i32 %shamt0, i32 %shamt1) {
+; CHECK-LABEL: @t23_var_oneuse0(
+; CHECK-NEXT: [[T0:%.*]] = lshr i32 [[X:%.*]], [[SHAMT0:%.*]]
+; CHECK-NEXT: call void @use32(i32 [[T0]])
+; CHECK-NEXT: [[T1:%.*]] = shl i32 [[Y:%.*]], [[SHAMT1:%.*]]
+; CHECK-NEXT: [[T2:%.*]] = and i32 [[T1]], [[T0]]
+; CHECK-NEXT: [[T3:%.*]] = icmp ne i32 [[T2]], 0
+; CHECK-NEXT: ret i1 [[T3]]
+;
+ %t0 = lshr i32 %x, %shamt0
+ call void @use32(i32 %t0)
+ %t1 = shl i32 %y, %shamt1
+ %t2 = and i32 %t1, %t0
+ %t3 = icmp ne i32 %t2, 0
+ ret i1 %t3
+}
+define i1 @t24_var_oneuse1(i32 %x, i32 %y, i32 %shamt0, i32 %shamt1) {
+; CHECK-LABEL: @t24_var_oneuse1(
+; CHECK-NEXT: [[T0:%.*]] = lshr i32 [[X:%.*]], [[SHAMT0:%.*]]
+; CHECK-NEXT: [[T1:%.*]] = shl i32 [[Y:%.*]], [[SHAMT1:%.*]]
+; CHECK-NEXT: call void @use32(i32 [[T1]])
+; CHECK-NEXT: [[T2:%.*]] = and i32 [[T1]], [[T0]]
+; CHECK-NEXT: [[T3:%.*]] = icmp ne i32 [[T2]], 0
+; CHECK-NEXT: ret i1 [[T3]]
+;
+ %t0 = lshr i32 %x, %shamt0
+ %t1 = shl i32 %y, %shamt1
+ call void @use32(i32 %t1)
+ %t2 = and i32 %t1, %t0
+ %t3 = icmp ne i32 %t2, 0
+ ret i1 %t3
+}
+define i1 @t25_var_oneuse2(i32 %x, i32 %y, i32 %shamt0, i32 %shamt1) {
+; CHECK-LABEL: @t25_var_oneuse2(
; CHECK-NEXT: [[T0:%.*]] = lshr i32 [[X:%.*]], [[SHAMT0:%.*]]
; CHECK-NEXT: [[T1:%.*]] = shl i32 [[Y:%.*]], [[SHAMT1:%.*]]
; CHECK-NEXT: [[T2:%.*]] = and i32 [[T1]], [[T0]]
@@ -346,8 +428,26 @@ define i1 @t17_variable_oneuse0(i32 %x,
%t3 = icmp ne i32 %t2, 0
ret i1 %t3
}
-define i1 @t18_variable_oneuse1(i32 %x, i32 %y, i32 %shamt0, i32 %shamt1) {
-; CHECK-LABEL: @t18_variable_oneuse1(
+define i1 @t26_var_oneuse3(i32 %x, i32 %y, i32 %shamt0, i32 %shamt1) {
+; CHECK-LABEL: @t26_var_oneuse3(
+; CHECK-NEXT: [[T0:%.*]] = lshr i32 [[X:%.*]], [[SHAMT0:%.*]]
+; CHECK-NEXT: call void @use32(i32 [[T0]])
+; CHECK-NEXT: [[T1:%.*]] = shl i32 [[Y:%.*]], [[SHAMT1:%.*]]
+; CHECK-NEXT: call void @use32(i32 [[T1]])
+; CHECK-NEXT: [[T2:%.*]] = and i32 [[T1]], [[T0]]
+; CHECK-NEXT: [[T3:%.*]] = icmp ne i32 [[T2]], 0
+; CHECK-NEXT: ret i1 [[T3]]
+;
+ %t0 = lshr i32 %x, %shamt0
+ call void @use32(i32 %t0)
+ %t1 = shl i32 %y, %shamt1
+ call void @use32(i32 %t1)
+ %t2 = and i32 %t1, %t0
+ %t3 = icmp ne i32 %t2, 0
+ ret i1 %t3
+}
+define i1 @t27_var_oneuse4(i32 %x, i32 %y, i32 %shamt0, i32 %shamt1) {
+; CHECK-LABEL: @t27_var_oneuse4(
; CHECK-NEXT: [[T0:%.*]] = lshr i32 [[X:%.*]], [[SHAMT0:%.*]]
; CHECK-NEXT: call void @use32(i32 [[T0]])
; CHECK-NEXT: [[T1:%.*]] = shl i32 [[Y:%.*]], [[SHAMT1:%.*]]
@@ -364,8 +464,8 @@ define i1 @t18_variable_oneuse1(i32 %x,
%t3 = icmp ne i32 %t2, 0
ret i1 %t3
}
-define i1 @t19_variable_oneuse2(i32 %x, i32 %y, i32 %shamt0, i32 %shamt1) {
-; CHECK-LABEL: @t19_variable_oneuse2(
+define i1 @t28_var_oneuse5(i32 %x, i32 %y, i32 %shamt0, i32 %shamt1) {
+; CHECK-LABEL: @t28_var_oneuse5(
; CHECK-NEXT: [[T0:%.*]] = lshr i32 [[X:%.*]], [[SHAMT0:%.*]]
; CHECK-NEXT: [[T1:%.*]] = shl i32 [[Y:%.*]], [[SHAMT1:%.*]]
; CHECK-NEXT: call void @use32(i32 [[T1]])
@@ -382,8 +482,8 @@ define i1 @t19_variable_oneuse2(i32 %x,
%t3 = icmp ne i32 %t2, 0
ret i1 %t3
}
-define i1 @t20_variable_oneuse2(i32 %x, i32 %y, i32 %shamt0, i32 %shamt1) {
-; CHECK-LABEL: @t20_variable_oneuse2(
+define i1 @t29_var_oneuse6(i32 %x, i32 %y, i32 %shamt0, i32 %shamt1) {
+; CHECK-LABEL: @t29_var_oneuse6(
; CHECK-NEXT: [[T0:%.*]] = lshr i32 [[X:%.*]], [[SHAMT0:%.*]]
; CHECK-NEXT: call void @use32(i32 [[T0]])
; CHECK-NEXT: [[T1:%.*]] = shl i32 [[Y:%.*]], [[SHAMT1:%.*]]
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