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author | Juergen Ributzka <juergen@apple.com> | 2013-12-16 22:05:32 +0000 |
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committer | Juergen Ributzka <juergen@apple.com> | 2013-12-16 22:05:32 +0000 |
commit | 9ed985baadc3b1df704892d1c85a97c38a19e46a (patch) | |
tree | 233dcebe45bbb4332776c6b84e32430cec9e9403 /llvm/test | |
parent | 47debc013689044c148542080b9d7a5828abb1ff (diff) | |
download | bcm5719-llvm-9ed985baadc3b1df704892d1c85a97c38a19e46a.tar.gz bcm5719-llvm-9ed985baadc3b1df704892d1c85a97c38a19e46a.zip |
[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.
llvm-svn: 197431
Diffstat (limited to 'llvm/test')
-rw-r--r-- | llvm/test/CodeGen/X86/patchpoint.ll | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/llvm/test/CodeGen/X86/patchpoint.ll b/llvm/test/CodeGen/X86/patchpoint.ll index ef30cf78bf2..62b12732ded 100644 --- a/llvm/test/CodeGen/X86/patchpoint.ll +++ b/llvm/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. |