[llvm] r303664 - [InstSimplify] auto-generate test checks. NFC
Craig Topper via llvm-commits
llvm-commits at lists.llvm.org
Tue May 23 10:57:36 PDT 2017
Author: ctopper
Date: Tue May 23 12:57:36 2017
New Revision: 303664
URL: http://llvm.org/viewvc/llvm-project?rev=303664&view=rev
Log:
[InstSimplify] auto-generate test checks. NFC
Modified:
llvm/trunk/test/Transforms/InstSimplify/call.ll
Modified: llvm/trunk/test/Transforms/InstSimplify/call.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstSimplify/call.ll?rev=303664&r1=303663&r2=303664&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/InstSimplify/call.ll (original)
+++ llvm/trunk/test/Transforms/InstSimplify/call.ll Tue May 23 12:57:36 2017
@@ -1,3 +1,4 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instsimplify -S | FileCheck %s
; RUN: opt < %s -passes=instsimplify -S | FileCheck %s
@@ -8,57 +9,64 @@ declare {i8, i1} @llvm.umul.with.overflo
define i1 @test_uadd1() {
; CHECK-LABEL: @test_uadd1(
+; CHECK-NEXT: ret i1 true
+;
%x = call {i8, i1} @llvm.uadd.with.overflow.i8(i8 254, i8 3)
%overflow = extractvalue {i8, i1} %x, 1
ret i1 %overflow
-; CHECK-NEXT: ret i1 true
}
define i8 @test_uadd2() {
; CHECK-LABEL: @test_uadd2(
+; CHECK-NEXT: ret i8 42
+;
%x = call {i8, i1} @llvm.uadd.with.overflow.i8(i8 254, i8 44)
%result = extractvalue {i8, i1} %x, 0
ret i8 %result
-; CHECK-NEXT: ret i8 42
}
define {i8, i1} @test_usub1(i8 %V) {
; CHECK-LABEL: @test_usub1(
+; CHECK-NEXT: ret { i8, i1 } zeroinitializer
+;
%x = call {i8, i1} @llvm.usub.with.overflow.i8(i8 %V, i8 %V)
ret {i8, i1} %x
-; CHECK-NEXT: ret { i8, i1 } zeroinitializer
}
define {i8, i1} @test_ssub1(i8 %V) {
; CHECK-LABEL: @test_ssub1(
+; CHECK-NEXT: ret { i8, i1 } zeroinitializer
+;
%x = call {i8, i1} @llvm.ssub.with.overflow.i8(i8 %V, i8 %V)
ret {i8, i1} %x
-; CHECK-NEXT: ret { i8, i1 } zeroinitializer
}
define {i8, i1} @test_umul1(i8 %V) {
; CHECK-LABEL: @test_umul1(
+; CHECK-NEXT: ret { i8, i1 } zeroinitializer
+;
%x = call {i8, i1} @llvm.umul.with.overflow.i8(i8 %V, i8 0)
ret {i8, i1} %x
-; CHECK-NEXT: ret { i8, i1 } zeroinitializer
}
declare i256 @llvm.cttz.i256(i256 %src, i1 %is_zero_undef)
define i256 @test_cttz() {
; CHECK-LABEL: @test_cttz(
+; CHECK-NEXT: ret i256 1
+;
%x = call i256 @llvm.cttz.i256(i256 10, i1 false)
ret i256 %x
-; CHECK-NEXT: ret i256 1
}
declare i256 @llvm.ctpop.i256(i256 %src)
define i256 @test_ctpop() {
; CHECK-LABEL: @test_ctpop(
+; CHECK-NEXT: ret i256 2
+;
%x = call i256 @llvm.ctpop.i256(i256 10)
ret i256 %x
-; CHECK-NEXT: ret i256 2
}
; Test a non-intrinsic that we know about as a library call.
@@ -66,14 +74,15 @@ declare float @fabs(float %x)
define float @test_fabs_libcall() {
; CHECK-LABEL: @test_fabs_libcall(
+; CHECK-NEXT: [[X:%.*]] = call float @fabs(float -4.200000e+01)
+; CHECK-NEXT: ret float 4.200000e+01
+;
%x = call float @fabs(float -42.0)
; This is still a real function call, so instsimplify won't nuke it -- other
; passes have to do that.
-; CHECK-NEXT: call float @fabs
ret float %x
-; CHECK-NEXT: ret float 4.2{{0+}}e+01
}
@@ -87,34 +96,35 @@ declare float @llvm.nearbyint.f32(float)
; Test idempotent intrinsics
define float @test_idempotence(float %a) {
; CHECK-LABEL: @test_idempotence(
+; CHECK-NEXT: [[A0:%.*]] = call float @llvm.fabs.f32(float [[A:%.*]])
+; CHECK-NEXT: [[B0:%.*]] = call float @llvm.floor.f32(float [[A]])
+; CHECK-NEXT: [[C0:%.*]] = call float @llvm.ceil.f32(float [[A]])
+; CHECK-NEXT: [[D0:%.*]] = call float @llvm.trunc.f32(float [[A]])
+; CHECK-NEXT: [[E0:%.*]] = call float @llvm.rint.f32(float [[A]])
+; CHECK-NEXT: [[F0:%.*]] = call float @llvm.nearbyint.f32(float [[A]])
+; CHECK-NEXT: [[R0:%.*]] = fadd float [[A0]], [[B0]]
+; CHECK-NEXT: [[R1:%.*]] = fadd float [[R0]], [[C0]]
+; CHECK-NEXT: [[R2:%.*]] = fadd float [[R1]], [[D0]]
+; CHECK-NEXT: [[R3:%.*]] = fadd float [[R2]], [[E0]]
+; CHECK-NEXT: [[R4:%.*]] = fadd float [[R3]], [[F0]]
+; CHECK-NEXT: ret float [[R4]]
+;
-; CHECK: fabs
-; CHECK-NOT: fabs
%a0 = call float @llvm.fabs.f32(float %a)
%a1 = call float @llvm.fabs.f32(float %a0)
-; CHECK: floor
-; CHECK-NOT: floor
%b0 = call float @llvm.floor.f32(float %a)
%b1 = call float @llvm.floor.f32(float %b0)
-; CHECK: ceil
-; CHECK-NOT: ceil
%c0 = call float @llvm.ceil.f32(float %a)
%c1 = call float @llvm.ceil.f32(float %c0)
-; CHECK: trunc
-; CHECK-NOT: trunc
%d0 = call float @llvm.trunc.f32(float %a)
%d1 = call float @llvm.trunc.f32(float %d0)
-; CHECK: rint
-; CHECK-NOT: rint
%e0 = call float @llvm.rint.f32(float %a)
%e1 = call float @llvm.rint.f32(float %e0)
-; CHECK: nearbyint
-; CHECK-NOT: nearbyint
%f0 = call float @llvm.nearbyint.f32(float %a)
%f1 = call float @llvm.nearbyint.f32(float %f0)
@@ -128,6 +138,17 @@ define float @test_idempotence(float %a)
}
define i8* @operator_new() {
+; CHECK-LABEL: @operator_new(
+; CHECK-NEXT: entry:
+; CHECK-NEXT: [[CALL:%.*]] = tail call noalias i8* @_Znwm(i64 8)
+; CHECK-NEXT: br i1 false, label [[CAST_END:%.*]], label [[CAST_NOTNULL:%.*]]
+; CHECK: cast.notnull:
+; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i8, i8* [[CALL]], i64 4
+; CHECK-NEXT: br label [[CAST_END]]
+; CHECK: cast.end:
+; CHECK-NEXT: [[CAST_RESULT:%.*]] = phi i8* [ [[ADD_PTR]], [[CAST_NOTNULL]] ], [ null, [[ENTRY:%.*]] ]
+; CHECK-NEXT: ret i8* [[CAST_RESULT]]
+;
entry:
%call = tail call noalias i8* @_Znwm(i64 8)
%cmp = icmp eq i8* %call, null
@@ -141,8 +162,6 @@ cast.end:
%cast.result = phi i8* [ %add.ptr, %cast.notnull ], [ null, %entry ]
ret i8* %cast.result
-; CHECK-LABEL: @operator_new
-; CHECK: br i1 false, label %cast.end, label %cast.notnull
}
declare nonnull noalias i8* @_Znwm(i64)
@@ -151,6 +170,18 @@ declare nonnull noalias i8* @_Znwm(i64)
@_ZSt7nothrow = external global %"struct.std::nothrow_t"
define i8* @operator_new_nothrow_t() {
+; CHECK-LABEL: @operator_new_nothrow_t(
+; CHECK-NEXT: entry:
+; CHECK-NEXT: [[CALL:%.*]] = tail call noalias i8* @_ZnamRKSt9nothrow_t(i64 8, %"struct.std::nothrow_t"* @_ZSt7nothrow)
+; CHECK-NEXT: [[CMP:%.*]] = icmp eq i8* [[CALL]], null
+; CHECK-NEXT: br i1 [[CMP]], label [[CAST_END:%.*]], label [[CAST_NOTNULL:%.*]]
+; CHECK: cast.notnull:
+; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i8, i8* [[CALL]], i64 4
+; CHECK-NEXT: br label [[CAST_END]]
+; CHECK: cast.end:
+; CHECK-NEXT: [[CAST_RESULT:%.*]] = phi i8* [ [[ADD_PTR]], [[CAST_NOTNULL]] ], [ null, [[ENTRY:%.*]] ]
+; CHECK-NEXT: ret i8* [[CAST_RESULT]]
+;
entry:
%call = tail call noalias i8* @_ZnamRKSt9nothrow_t(i64 8, %"struct.std::nothrow_t"* @_ZSt7nothrow)
%cmp = icmp eq i8* %call, null
@@ -164,13 +195,23 @@ cast.end:
%cast.result = phi i8* [ %add.ptr, %cast.notnull ], [ null, %entry ]
ret i8* %cast.result
-; CHECK-LABEL: @operator_new_nothrow_t
-; CHECK: br i1 %cmp, label %cast.end, label %cast.notnull
}
declare i8* @_ZnamRKSt9nothrow_t(i64, %"struct.std::nothrow_t"*) nounwind
define i8* @malloc_can_return_null() {
+; CHECK-LABEL: @malloc_can_return_null(
+; CHECK-NEXT: entry:
+; CHECK-NEXT: [[CALL:%.*]] = tail call noalias i8* @malloc(i64 8)
+; CHECK-NEXT: [[CMP:%.*]] = icmp eq i8* [[CALL]], null
+; CHECK-NEXT: br i1 [[CMP]], label [[CAST_END:%.*]], label [[CAST_NOTNULL:%.*]]
+; CHECK: cast.notnull:
+; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i8, i8* [[CALL]], i64 4
+; CHECK-NEXT: br label [[CAST_END]]
+; CHECK: cast.end:
+; CHECK-NEXT: [[CAST_RESULT:%.*]] = phi i8* [ [[ADD_PTR]], [[CAST_NOTNULL]] ], [ null, [[ENTRY:%.*]] ]
+; CHECK-NEXT: ret i8* [[CAST_RESULT]]
+;
entry:
%call = tail call noalias i8* @malloc(i64 8)
%cmp = icmp eq i8* %call, null
@@ -184,38 +225,44 @@ cast.end:
%cast.result = phi i8* [ %add.ptr, %cast.notnull ], [ null, %entry ]
ret i8* %cast.result
-; CHECK-LABEL: @malloc_can_return_null
-; CHECK: br i1 %cmp, label %cast.end, label %cast.notnull
}
define i32 @call_null() {
+; CHECK-LABEL: @call_null(
+; CHECK-NEXT: entry:
+; CHECK-NEXT: [[CALL:%.*]] = call i32 null()
+; CHECK-NEXT: ret i32 undef
+;
entry:
%call = call i32 null()
ret i32 %call
}
-; CHECK-LABEL: define i32 @call_null(
-; CHECK: ret i32 undef
define i32 @call_undef() {
+; CHECK-LABEL: @call_undef(
+; CHECK-NEXT: entry:
+; CHECK-NEXT: [[CALL:%.*]] = call i32 undef()
+; CHECK-NEXT: ret i32 undef
+;
entry:
%call = call i32 undef()
ret i32 %call
}
-; CHECK-LABEL: define i32 @call_undef(
-; CHECK: ret i32 undef
@GV = private constant [8 x i32] [i32 42, i32 43, i32 44, i32 45, i32 46, i32 47, i32 48, i32 49]
define <8 x i32> @partial_masked_load() {
; CHECK-LABEL: @partial_masked_load(
-; CHECK: ret <8 x i32> <i32 undef, i32 undef, i32 42, i32 43, i32 44, i32 45, i32 46, i32 47>
+; CHECK-NEXT: ret <8 x i32> <i32 undef, i32 undef, i32 42, i32 43, i32 44, i32 45, i32 46, i32 47>
+;
%masked.load = call <8 x i32> @llvm.masked.load.v8i32.p0v8i32(<8 x i32>* bitcast (i32* getelementptr ([8 x i32], [8 x i32]* @GV, i64 0, i64 -2) to <8 x i32>*), i32 4, <8 x i1> <i1 false, i1 false, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true>, <8 x i32> undef)
ret <8 x i32> %masked.load
}
define <8 x i32> @masked_load_undef_mask(<8 x i32>* %V) {
; CHECK-LABEL: @masked_load_undef_mask(
-; CHECK: ret <8 x i32> <i32 1, i32 0, i32 1, i32 0, i32 1, i32 0, i32 1, i32 0>
+; CHECK-NEXT: ret <8 x i32> <i32 1, i32 0, i32 1, i32 0, i32 1, i32 0, i32 1, i32 0>
+;
%masked.load = call <8 x i32> @llvm.masked.load.v8i32.p0v8i32(<8 x i32>* %V, i32 4, <8 x i1> undef, <8 x i32> <i32 1, i32 0, i32 1, i32 0, i32 1, i32 0, i32 1, i32 0>)
ret <8 x i32> %masked.load
}
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