a1710eb3cd
The LIT test cases were migrated with the script provided by Nikita Popov. No manual changes were made. Committed without review since no functional changes, after consultation with uweigand.
141 lines
3.5 KiB
LLVM
141 lines
3.5 KiB
LLVM
; Test incoming GPR, FPR and stack arguments when no extension type is given.
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; This type of argument is used for passing structures, etc.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu -verify-machineinstrs | FileCheck %s
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; Do some arithmetic so that we can see the register being used.
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define i8 @f1(i8 %r2) {
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; CHECK-LABEL: f1:
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; CHECK: ahi %r2, 1
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; CHECK: br %r14
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%y = add i8 %r2, 1
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ret i8 %y
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}
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define i16 @f2(i8 %r2, i16 %r3) {
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; CHECK-LABEL: f2:
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; CHECK: {{lr|lgr}} %r2, %r3
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; CHECK: br %r14
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ret i16 %r3
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}
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define i32 @f3(i8 %r2, i16 %r3, i32 %r4) {
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; CHECK-LABEL: f3:
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; CHECK: {{lr|lgr}} %r2, %r4
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; CHECK: br %r14
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ret i32 %r4
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}
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define i64 @f4(i8 %r2, i16 %r3, i32 %r4, i64 %r5) {
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; CHECK-LABEL: f4:
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; CHECK: {{lr|lgr}} %r2, %r5
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; CHECK: br %r14
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ret i64 %r5
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}
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; Do some arithmetic so that we can see the register being used.
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define float @f5(i8 %r2, i16 %r3, i32 %r4, i64 %r5, float %f0) {
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; CHECK-LABEL: f5:
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; CHECK: aebr %f0, %f0
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; CHECK: br %r14
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%y = fadd float %f0, %f0
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ret float %y
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}
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define double @f6(i8 %r2, i16 %r3, i32 %r4, i64 %r5, float %f0, double %f2) {
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; CHECK-LABEL: f6:
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; CHECK: ldr %f0, %f2
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; CHECK: br %r14
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ret double %f2
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}
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; fp128s are passed indirectly. Do some arithmetic so that the value
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; must be interpreted as a float, rather than as a block of memory to
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; be copied.
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define void @f7(ptr %r2, i16 %r3, i32 %r4, i64 %r5, float %f0, double %f2,
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fp128 %r6) {
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; CHECK-LABEL: f7:
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; CHECK: ld %f0, 0(%r6)
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; CHECK: ld %f2, 8(%r6)
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; CHECK: axbr %f0, %f0
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; CHECK: std %f0, 0(%r2)
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; CHECK: std %f2, 8(%r2)
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; CHECK: br %r14
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%y = fadd fp128 %r6, %r6
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store fp128 %y, ptr %r2
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ret void
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}
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define i64 @f8(i8 %r2, i16 %r3, i32 %r4, i64 %r5, float %f0, double %f2,
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fp128 %r6, i64 %s1) {
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; CHECK-LABEL: f8:
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; CHECK: lg %r2, 160(%r15)
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; CHECK: br %r14
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ret i64 %s1
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}
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define float @f9(i8 %r2, i16 %r3, i32 %r4, i64 %r5, float %f0, double %f2,
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fp128 %r6, i64 %s1, float %f4) {
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; CHECK-LABEL: f9:
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; CHECK: ler %f0, %f4
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; CHECK: br %r14
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ret float %f4
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}
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define double @f10(i8 %r2, i16 %r3, i32 %r4, i64 %r5, float %f0, double %f2,
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fp128 %r6, i64 %s1, float %f4, double %f6) {
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; CHECK-LABEL: f10:
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; CHECK: ldr %f0, %f6
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; CHECK: br %r14
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ret double %f6
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}
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define i64 @f11(i8 %r2, i16 %r3, i32 %r4, i64 %r5, float %f0, double %f2,
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fp128 %r6, i64 %s1, float %f4, double %f6, i64 %s2) {
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; CHECK-LABEL: f11:
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; CHECK: lg %r2, 168(%r15)
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; CHECK: br %r14
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ret i64 %s2
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}
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; Floats are passed right-justified.
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define float @f12(i8 %r2, i16 %r3, i32 %r4, i64 %r5, float %f0, double %f2,
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fp128 %r6, i64 %s1, float %f4, double %f6, i64 %s2,
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float %s3) {
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; CHECK-LABEL: f12:
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; CHECK: le %f0, 180(%r15)
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; CHECK: br %r14
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ret float %s3
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}
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; Test a case where the fp128 address is passed on the stack.
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define void @f13(ptr %r2, i16 %r3, i32 %r4, i64 %r5, float %f0, double %f2,
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fp128 %r6, i64 %s1, float %f4, double %f6, i64 %s2,
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float %s3, fp128 %s4) {
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; CHECK-LABEL: f13:
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; CHECK: lg [[REGISTER:%r[1-5]+]], 184(%r15)
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; CHECK: ld %f0, 0([[REGISTER]])
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; CHECK: ld %f2, 8([[REGISTER]])
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; CHECK: axbr %f0, %f0
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; CHECK: std %f0, 0(%r2)
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; CHECK: std %f2, 8(%r2)
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; CHECK: br %r14
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%y = fadd fp128 %s4, %s4
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store fp128 %y, ptr %r2
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ret void
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}
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; Explicit fp128 return values are likewise passed indirectly.
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define fp128 @f14(fp128 %r3) {
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; CHECK-LABEL: f14:
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; CHECK: ld %f0, 0(%r3)
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; CHECK: ld %f2, 8(%r3)
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; CHECK: axbr %f0, %f0
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; CHECK: std %f0, 0(%r2)
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; CHECK: std %f2, 8(%r2)
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; CHECK: br %r14
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%y = fadd fp128 %r3, %r3
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ret fp128 %y
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}
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