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| author | Juergen Ributzka <juergen@apple.com> | 2013-12-16 22:05:32 +0000 |
|---|---|---|
| committer | Juergen Ributzka <juergen@apple.com> | 2013-12-16 22:05:32 +0000 |
| commit | e77491226adefca4fe5aebb1e689c9d04903cc90 (patch) | |
| tree | 5166d6a57d44061db800c0728bcd29a7144a5dca /test | |
| parent | 62fd16a2970c1265bb4de54a4973334903814686 (diff) | |
| download | llvm-e77491226adefca4fe5aebb1e689c9d04903cc90.tar.gz llvm-e77491226adefca4fe5aebb1e689c9d04903cc90.tar.bz2 llvm-e77491226adefca4fe5aebb1e689c9d04903cc90.tar.xz | |
[Stackmap] Allow WebKit_JS calling convention to store 4 byte sized and aligned arguments.
This allows the WebKit_JS calling convention to perform partial writes on a 4
byte granularity to stack slots.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197431 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/X86/patchpoint.ll | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/test/CodeGen/X86/patchpoint.ll b/test/CodeGen/X86/patchpoint.ll index ef30cf78bf..62b12732de 100644 --- a/test/CodeGen/X86/patchpoint.ll +++ b/test/CodeGen/X86/patchpoint.ll @@ -46,7 +46,7 @@ entry: ; CHECK-LABEL: jscall_patchpoint_codegen: ; CHECK: Ltmp ; CHECK: movq %r{{.+}}, (%rsp) -; CHECK: movq %r{{.+}}, %rdi +; CHECK: movq %r{{.+}}, %rax ; CHECK: Ltmp ; CHECK-NEXT: movabsq $-559038736, %r11 ; CHECK-NEXT: callq *%r11 @@ -59,6 +59,40 @@ entry: ret void } +; Test if the arguments are properly aligned and that we don't store undef arguments. +define i64 @jscall_patchpoint_codegen2(i64 %callee) { +entry: +; CHECK-LABEL: jscall_patchpoint_codegen2: +; CHECK: Ltmp +; CHECK: movq $6, 24(%rsp) +; CHECK-NEXT: movl $4, 16(%rsp) +; CHECK-NEXT: movq $2, (%rsp) +; CHECK: Ltmp +; CHECK-NEXT: movabsq $-559038736, %r11 +; CHECK-NEXT: callq *%r11 + %call = inttoptr i64 -559038736 to i8* + %result = call webkit_jscc i64 (i64, i32, i8*, i32, ...)* @llvm.experimental.patchpoint.i64(i64 7, i32 15, i8* %call, i32 6, i64 %callee, i64 2, i64 undef, i32 4, i32 undef, i64 6) + ret i64 %result +} + +; Test if the arguments are properly aligned and that we don't store undef arguments. +define i64 @jscall_patchpoint_codegen3(i64 %callee) { +entry: +; CHECK-LABEL: jscall_patchpoint_codegen3: +; CHECK: Ltmp +; CHECK: movq $10, 48(%rsp) +; CHECK-NEXT: movl $8, 36(%rsp) +; CHECK-NEXT: movq $6, 24(%rsp) +; CHECK-NEXT: movl $4, 16(%rsp) +; CHECK-NEXT: movq $2, (%rsp) +; CHECK: Ltmp +; CHECK-NEXT: movabsq $-559038736, %r11 +; CHECK-NEXT: callq *%r11 + %call = inttoptr i64 -559038736 to i8* + %result = call webkit_jscc i64 (i64, i32, i8*, i32, ...)* @llvm.experimental.patchpoint.i64(i64 7, i32 15, i8* %call, i32 10, i64 %callee, i64 2, i64 undef, i32 4, i32 undef, i64 6, i32 undef, i32 8, i32 undef, i64 10) + ret i64 %result +} + ; Test patchpoints reusing the same TargetConstant. ; <rdar:15390785> Assertion failed: (CI.getNumArgOperands() >= NumArgs + 4) ; There is no way to verify this, since it depends on memory allocation. |