-target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
+; RUN: opt < %s -instcombine -S -default-data-layout="E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128" | FileCheck %s
+; RUN: opt < %s -instcombine -S -default-data-layout="E-p:32:32:32-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128" | FileCheck %s -check-prefix=P32
+; RUN: opt < %s -instcombine -S | FileCheck %s -check-prefix=NODL
-; RUN: opt < %s -instcombine -S | FileCheck %s
-; END.
declare void @use(...)
@int = global i32 zeroinitializer
; Zero byte allocas should be merged if they can't be deleted.
-; CHECK: @test
+; CHECK-LABEL: @test(
; CHECK: alloca
; CHECK-NOT: alloca
define void @test() {
}
; Zero byte allocas should be deleted.
-; CHECK: @test2
+; CHECK-LABEL: @test2(
; CHECK-NOT: alloca
define void @test2() {
%A = alloca i32 ; <i32*> [#uses=1]
}
; Zero byte allocas should be deleted.
-; CHECK: @test3
+; CHECK-LABEL: @test3(
; CHECK-NOT: alloca
define void @test3() {
%A = alloca { i32 } ; <{ i32 }*> [#uses=1]
ret void
}
-; CHECK: @test4
+; CHECK-LABEL: @test4(
; CHECK: = zext i32 %n to i64
; CHECK: %A = alloca i32, i64 %
define i32* @test4(i32 %n) {
; Allocas which are only used by GEPs, bitcasts, and stores (transitively)
; should be deleted.
define void @test5() {
-; CHECK: @test5
+; CHECK-LABEL: @test5(
; CHECK-NOT: alloca
; CHECK-NOT: store
; CHECK: ret
; Check that we don't delete allocas in some erroneous cases.
define void @test6() {
-; CHECK: @test6
+; CHECK-LABEL: @test6(
; CHECK-NOT: ret
; CHECK: alloca
; CHECK-NEXT: alloca
}
declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind
+
+
+; Check that the GEP indices use the pointer size, or 64 if unknown
+define void @test8() {
+; CHECK-LABEL: @test8(
+; CHECK: alloca [100 x i32]
+; CHECK: getelementptr inbounds [100 x i32]* %x1, i64 0, i64 0
+
+; P32-LABEL: @test8(
+; P32: alloca [100 x i32]
+; P32: getelementptr inbounds [100 x i32]* %x1, i32 0, i32 0
+
+; NODL-LABEL: @test8(
+; NODL: alloca [100 x i32]
+; NODL: getelementptr inbounds [100 x i32]* %x1, i64 0, i64 0
+ %x = alloca i32, i32 100
+ call void (...)* @use(i32* %x)
+ ret void
+}
+
+; PR19569
+%struct_type = type { i32, i32 }
+declare void @test9_aux(<{ %struct_type }>* inalloca)
+declare i8* @llvm.stacksave()
+declare void @llvm.stackrestore(i8*)
+
+define void @test9(%struct_type* %a) {
+; CHECK-LABEL: @test9(
+entry:
+ %inalloca.save = call i8* @llvm.stacksave()
+ %argmem = alloca inalloca <{ %struct_type }>
+; CHECK: alloca inalloca i64, align 8
+ %0 = getelementptr inbounds <{ %struct_type }>* %argmem, i32 0, i32 0
+ %1 = bitcast %struct_type* %0 to i8*
+ %2 = bitcast %struct_type* %a to i8*
+ call void @llvm.memcpy.p0i8.p0i8.i32(i8* %1, i8* %2, i32 8, i32 4, i1 false)
+ call void @test9_aux(<{ %struct_type }>* inalloca %argmem)
+ call void @llvm.stackrestore(i8* %inalloca.save)
+ ret void
+}