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Diffstat (limited to 'llvm/test/Transforms/Inline/byval.ll')
| -rw-r--r-- | llvm/test/Transforms/Inline/byval.ll | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/llvm/test/Transforms/Inline/byval.ll b/llvm/test/Transforms/Inline/byval.ll deleted file mode 100644 index ea2bec2cee3..00000000000 --- a/llvm/test/Transforms/Inline/byval.ll +++ /dev/null @@ -1,165 +0,0 @@ -; RUN: opt < %s -inline -S | FileCheck %s -; RUN: opt < %s -passes='cgscc(inline)' -S | FileCheck %s - -; The verifier does catch problems with inlining of byval arguments that has a -; different address space compared to the alloca. But running instcombine -; after inline used to trigger asserts unless we disallow such inlining. -; RUN: opt < %s -inline -instcombine -disable-output 2>/dev/null - -target datalayout = "p:32:32-p1:64:64-p2:16:16-n16:32:64" - -; Inlining a byval struct should cause an explicit copy into an alloca. - - %struct.ss = type { i32, i64 } -@.str = internal constant [10 x i8] c"%d, %lld\0A\00" ; <[10 x i8]*> [#uses=1] - -define internal void @f(%struct.ss* byval %b) nounwind { -entry: - %tmp = getelementptr %struct.ss, %struct.ss* %b, i32 0, i32 0 ; <i32*> [#uses=2] - %tmp1 = load i32, i32* %tmp, align 4 ; <i32> [#uses=1] - %tmp2 = add i32 %tmp1, 1 ; <i32> [#uses=1] - store i32 %tmp2, i32* %tmp, align 4 - ret void -} - -declare i32 @printf(i8*, ...) nounwind - -define i32 @test1() nounwind { -entry: - %S = alloca %struct.ss ; <%struct.ss*> [#uses=4] - %tmp1 = getelementptr %struct.ss, %struct.ss* %S, i32 0, i32 0 ; <i32*> [#uses=1] - store i32 1, i32* %tmp1, align 8 - %tmp4 = getelementptr %struct.ss, %struct.ss* %S, i32 0, i32 1 ; <i64*> [#uses=1] - store i64 2, i64* %tmp4, align 4 - call void @f( %struct.ss* byval %S ) nounwind - ret i32 0 -; CHECK: @test1() -; CHECK: %S1 = alloca %struct.ss -; CHECK: %S = alloca %struct.ss -; CHECK: call void @llvm.memcpy -; CHECK: ret i32 0 -} - -; Inlining a byval struct should NOT cause an explicit copy -; into an alloca if the function is readonly - -define internal i32 @f2(%struct.ss* byval %b) nounwind readonly { -entry: - %tmp = getelementptr %struct.ss, %struct.ss* %b, i32 0, i32 0 ; <i32*> [#uses=2] - %tmp1 = load i32, i32* %tmp, align 4 ; <i32> [#uses=1] - %tmp2 = add i32 %tmp1, 1 ; <i32> [#uses=1] - ret i32 %tmp2 -} - -define i32 @test2() nounwind { -entry: - %S = alloca %struct.ss ; <%struct.ss*> [#uses=4] - %tmp1 = getelementptr %struct.ss, %struct.ss* %S, i32 0, i32 0 ; <i32*> [#uses=1] - store i32 1, i32* %tmp1, align 8 - %tmp4 = getelementptr %struct.ss, %struct.ss* %S, i32 0, i32 1 ; <i64*> [#uses=1] - store i64 2, i64* %tmp4, align 4 - %X = call i32 @f2( %struct.ss* byval %S ) nounwind - ret i32 %X -; CHECK: @test2() -; CHECK: %S = alloca %struct.ss -; CHECK-NOT: call void @llvm.memcpy -; CHECK: ret i32 -} - - -; Inlining a byval with an explicit alignment needs to use *at least* that -; alignment on the generated alloca. -; PR8769 -declare void @g3(%struct.ss* %p) - -define internal void @f3(%struct.ss* byval align 64 %b) nounwind { - call void @g3(%struct.ss* %b) ;; Could make alignment assumptions! - ret void -} - -define void @test3() nounwind { -entry: - %S = alloca %struct.ss, align 1 ;; May not be aligned. - call void @f3( %struct.ss* byval align 64 %S) nounwind - ret void -; CHECK: @test3() -; CHECK: %S1 = alloca %struct.ss, align 64 -; CHECK: %S = alloca %struct.ss -; CHECK: call void @llvm.memcpy -; CHECK: call void @g3(%struct.ss* %S1) -; CHECK: ret void -} - - -; Inlining a byval struct should NOT cause an explicit copy -; into an alloca if the function is readonly, but should increase an alloca's -; alignment to satisfy an explicit alignment request. - -define internal i32 @f4(%struct.ss* byval align 64 %b) nounwind readonly { - call void @g3(%struct.ss* %b) - ret i32 4 -} - -define i32 @test4() nounwind { -entry: - %S = alloca %struct.ss, align 2 ; <%struct.ss*> [#uses=4] - %X = call i32 @f4( %struct.ss* byval align 64 %S ) nounwind - ret i32 %X -; CHECK: @test4() -; CHECK: %S = alloca %struct.ss, align 64 -; CHECK-NOT: call void @llvm.memcpy -; CHECK: call void @g3 -; CHECK: ret i32 4 -} - -%struct.S0 = type { i32 } - -@b = global %struct.S0 { i32 1 }, align 4 -@a = common global i32 0, align 4 - -define internal void @f5(%struct.S0* byval nocapture readonly align 4 %p) { -entry: - store i32 0, i32* getelementptr inbounds (%struct.S0, %struct.S0* @b, i64 0, i32 0), align 4 - %f2 = getelementptr inbounds %struct.S0, %struct.S0* %p, i64 0, i32 0 - %0 = load i32, i32* %f2, align 4 - store i32 %0, i32* @a, align 4 - ret void -} - -define i32 @test5() { -entry: - tail call void @f5(%struct.S0* byval align 4 @b) - %0 = load i32, i32* @a, align 4 - ret i32 %0 -; CHECK: @test5() -; CHECK: store i32 0, i32* getelementptr inbounds (%struct.S0, %struct.S0* @b, i64 0, i32 0), align 4 -; CHECK-NOT: load i32, i32* getelementptr inbounds (%struct.S0, %struct.S0* @b, i64 0, i32 0), align 4 -} - -; Inlining a byval struct that is in a different address space compared to the -; alloca address space is at the moment not expected. That would need -; adjustments inside the inlined function since the address space attribute of -; the inlined argument changes. - -%struct.S1 = type { i32 } - -@d = addrspace(1) global %struct.S1 { i32 1 }, align 4 -@c = common addrspace(1) global i32 0, align 4 - -define internal void @f5_as1(%struct.S1 addrspace(1)* byval nocapture readonly align 4 %p) { -entry: - store i32 0, i32 addrspace(1)* getelementptr inbounds (%struct.S1, %struct.S1 addrspace(1)* @d, i64 0, i32 0), align 4 - %f2 = getelementptr inbounds %struct.S1, %struct.S1 addrspace(1)* %p, i64 0, i32 0 - %0 = load i32, i32 addrspace(1)* %f2, align 4 - store i32 %0, i32 addrspace(1)* @c, align 4 - ret void -} - -define i32 @test5_as1() { -entry: - tail call void @f5_as1(%struct.S1 addrspace(1)* byval align 4 @d) - %0 = load i32, i32 addrspace(1)* @c, align 4 - ret i32 %0 -; CHECK: @test5_as1() -; CHECK: call void @f5_as1 -} |
