diff options
Diffstat (limited to 'test/CodeGen/SystemZ/int-cmp-02.ll')
| -rw-r--r-- | test/CodeGen/SystemZ/int-cmp-02.ll | 80 |
1 files changed, 57 insertions, 23 deletions
diff --git a/test/CodeGen/SystemZ/int-cmp-02.ll b/test/CodeGen/SystemZ/int-cmp-02.ll index c158fb4af77f9..4a8a1a9ade33d 100644 --- a/test/CodeGen/SystemZ/int-cmp-02.ll +++ b/test/CodeGen/SystemZ/int-cmp-02.ll @@ -2,11 +2,12 @@ ; ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s +declare i32 @foo() + ; Check register comparison. define double @f1(double %a, double %b, i32 %i1, i32 %i2) { -; CHECK: f1: -; CHECK: cr %r2, %r3 -; CHECK-NEXT: j{{g?}}l +; CHECK-LABEL: f1: +; CHECK: crjl %r2, %r3 ; CHECK: ldr %f0, %f2 ; CHECK: br %r14 %cond = icmp slt i32 %i1, %i2 @@ -16,9 +17,9 @@ define double @f1(double %a, double %b, i32 %i1, i32 %i2) { ; Check the low end of the C range. define double @f2(double %a, double %b, i32 %i1, i32 *%ptr) { -; CHECK: f2: +; CHECK-LABEL: f2: ; CHECK: c %r2, 0(%r3) -; CHECK-NEXT: j{{g?}}l +; CHECK-NEXT: jl ; CHECK: ldr %f0, %f2 ; CHECK: br %r14 %i2 = load i32 *%ptr @@ -29,9 +30,9 @@ define double @f2(double %a, double %b, i32 %i1, i32 *%ptr) { ; Check the high end of the aligned C range. define double @f3(double %a, double %b, i32 %i1, i32 *%base) { -; CHECK: f3: +; CHECK-LABEL: f3: ; CHECK: c %r2, 4092(%r3) -; CHECK-NEXT: j{{g?}}l +; CHECK-NEXT: jl ; CHECK: ldr %f0, %f2 ; CHECK: br %r14 %ptr = getelementptr i32 *%base, i64 1023 @@ -43,9 +44,9 @@ define double @f3(double %a, double %b, i32 %i1, i32 *%base) { ; Check the next word up, which should use CY instead of C. define double @f4(double %a, double %b, i32 %i1, i32 *%base) { -; CHECK: f4: +; CHECK-LABEL: f4: ; CHECK: cy %r2, 4096(%r3) -; CHECK-NEXT: j{{g?}}l +; CHECK-NEXT: jl ; CHECK: ldr %f0, %f2 ; CHECK: br %r14 %ptr = getelementptr i32 *%base, i64 1024 @@ -57,9 +58,9 @@ define double @f4(double %a, double %b, i32 %i1, i32 *%base) { ; Check the high end of the aligned CY range. define double @f5(double %a, double %b, i32 %i1, i32 *%base) { -; CHECK: f5: +; CHECK-LABEL: f5: ; CHECK: cy %r2, 524284(%r3) -; CHECK-NEXT: j{{g?}}l +; CHECK-NEXT: jl ; CHECK: ldr %f0, %f2 ; CHECK: br %r14 %ptr = getelementptr i32 *%base, i64 131071 @@ -72,10 +73,10 @@ define double @f5(double %a, double %b, i32 %i1, i32 *%base) { ; Check the next word up, which needs separate address logic. ; Other sequences besides this one would be OK. define double @f6(double %a, double %b, i32 %i1, i32 *%base) { -; CHECK: f6: +; CHECK-LABEL: f6: ; CHECK: agfi %r3, 524288 ; CHECK: c %r2, 0(%r3) -; CHECK-NEXT: j{{g?}}l +; CHECK-NEXT: jl ; CHECK: ldr %f0, %f2 ; CHECK: br %r14 %ptr = getelementptr i32 *%base, i64 131072 @@ -87,9 +88,9 @@ define double @f6(double %a, double %b, i32 %i1, i32 *%base) { ; Check the high end of the negative aligned CY range. define double @f7(double %a, double %b, i32 %i1, i32 *%base) { -; CHECK: f7: +; CHECK-LABEL: f7: ; CHECK: cy %r2, -4(%r3) -; CHECK-NEXT: j{{g?}}l +; CHECK-NEXT: jl ; CHECK: ldr %f0, %f2 ; CHECK: br %r14 %ptr = getelementptr i32 *%base, i64 -1 @@ -101,9 +102,9 @@ define double @f7(double %a, double %b, i32 %i1, i32 *%base) { ; Check the low end of the CY range. define double @f8(double %a, double %b, i32 %i1, i32 *%base) { -; CHECK: f8: +; CHECK-LABEL: f8: ; CHECK: cy %r2, -524288(%r3) -; CHECK-NEXT: j{{g?}}l +; CHECK-NEXT: jl ; CHECK: ldr %f0, %f2 ; CHECK: br %r14 %ptr = getelementptr i32 *%base, i64 -131072 @@ -116,10 +117,10 @@ define double @f8(double %a, double %b, i32 %i1, i32 *%base) { ; Check the next word down, which needs separate address logic. ; Other sequences besides this one would be OK. define double @f9(double %a, double %b, i32 %i1, i32 *%base) { -; CHECK: f9: +; CHECK-LABEL: f9: ; CHECK: agfi %r3, -524292 ; CHECK: c %r2, 0(%r3) -; CHECK-NEXT: j{{g?}}l +; CHECK-NEXT: jl ; CHECK: ldr %f0, %f2 ; CHECK: br %r14 %ptr = getelementptr i32 *%base, i64 -131073 @@ -131,9 +132,9 @@ define double @f9(double %a, double %b, i32 %i1, i32 *%base) { ; Check that C allows an index. define double @f10(double %a, double %b, i32 %i1, i64 %base, i64 %index) { -; CHECK: f10: +; CHECK-LABEL: f10: ; CHECK: c %r2, 4092({{%r4,%r3|%r3,%r4}}) -; CHECK-NEXT: j{{g?}}l +; CHECK-NEXT: jl ; CHECK: ldr %f0, %f2 ; CHECK: br %r14 %add1 = add i64 %base, %index @@ -147,9 +148,9 @@ define double @f10(double %a, double %b, i32 %i1, i64 %base, i64 %index) { ; Check that CY allows an index. define double @f11(double %a, double %b, i32 %i1, i64 %base, i64 %index) { -; CHECK: f11: +; CHECK-LABEL: f11: ; CHECK: cy %r2, 4096({{%r4,%r3|%r3,%r4}}) -; CHECK-NEXT: j{{g?}}l +; CHECK-NEXT: jl ; CHECK: ldr %f0, %f2 ; CHECK: br %r14 %add1 = add i64 %base, %index @@ -160,3 +161,36 @@ define double @f11(double %a, double %b, i32 %i1, i64 %base, i64 %index) { %res = select i1 %cond, double %a, double %b ret double %res } + +; The first branch here got recreated by InsertBranch while splitting the +; critical edge %entry->%while.body, which lost the kills information for CC. +define void @f12(i32 %a, i32 %b) { +; CHECK-LABEL: f12: +; CHECK: cije %r2, 0 +; CHECK: crjlh %r2, +; CHECK: br %r14 +entry: + %cmp11 = icmp eq i32 %a, 0 + br i1 %cmp11, label %while.end, label %while.body + +while.body: + %c = call i32 @foo() + %cmp12 = icmp eq i32 %c, %b + br i1 %cmp12, label %while.end, label %while.body + +while.end: + ret void +} + +; Check the comparison can be reversed if that allows C to be used. +define double @f13(double %a, double %b, i32 %i2, i32 *%ptr) { +; CHECK-LABEL: f13: +; CHECK: c %r2, 0(%r3) +; CHECK-NEXT: jh {{\.L.*}} +; CHECK: ldr %f0, %f2 +; CHECK: br %r14 + %i1 = load i32 *%ptr + %cond = icmp slt i32 %i1, %i2 + %res = select i1 %cond, double %a, double %b + ret double %res +} |
