Page MenuHomePhabricator
Differential D67925 Diff 223241 llvm/trunk/test/CodeGen/SystemZ/fp-strict-conv-03.ll

Changeset View

Standalone View

View Options

llvm/trunk/test/CodeGen/SystemZ/fp-strict-conv-03.ll

; Test strict extensions of f32 to f128. ; Test strict extensions of f32 to f128.
; ;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
declare fp128 @llvm.experimental.constrained.fpext.f128.f32(float, metadata) declare fp128 @llvm.experimental.constrained.fpext.f128.f32(float, metadata)
; Check register extension. ; Check register extension.
define void @f1(fp128 *%dst, float %val) { define void @f1(fp128 *%dst, float %val) #0 {
; CHECK-LABEL: f1: ; CHECK-LABEL: f1:
; CHECK: lxebr %f0, %f0 ; CHECK: lxebr %f0, %f0
; CHECK: std %f0, 0(%r2) ; CHECK: std %f0, 0(%r2)
; CHECK: std %f2, 8(%r2) ; CHECK: std %f2, 8(%r2)
; CHECK: br %r14 ; CHECK: br %r14
%res = call fp128 @llvm.experimental.constrained.fpext.f128.f32(float %val, %res = call fp128 @llvm.experimental.constrained.fpext.f128.f32(float %val,
metadata !"fpexcept.strict") metadata !"fpexcept.strict") #0
store fp128 %res, fp128 *%dst store fp128 %res, fp128 *%dst
ret void ret void
} }
; Check the low end of the LXEB range. ; Check the low end of the LXEB range.
define void @f2(fp128 *%dst, float *%ptr) { define void @f2(fp128 *%dst, float *%ptr) #0 {
; CHECK-LABEL: f2: ; CHECK-LABEL: f2:
; CHECK: lxeb %f0, 0(%r3) ; CHECK: lxeb %f0, 0(%r3)
; CHECK: std %f0, 0(%r2) ; CHECK: std %f0, 0(%r2)
; CHECK: std %f2, 8(%r2) ; CHECK: std %f2, 8(%r2)
; CHECK: br %r14 ; CHECK: br %r14
%val = load float, float *%ptr %val = load float, float *%ptr
%res = call fp128 @llvm.experimental.constrained.fpext.f128.f32(float %val, %res = call fp128 @llvm.experimental.constrained.fpext.f128.f32(float %val,
metadata !"fpexcept.strict") metadata !"fpexcept.strict") #0
store fp128 %res, fp128 *%dst store fp128 %res, fp128 *%dst
ret void ret void
} }
; Check the high end of the aligned LXEB range. ; Check the high end of the aligned LXEB range.
define void @f3(fp128 *%dst, float *%base) { define void @f3(fp128 *%dst, float *%base) #0 {
; CHECK-LABEL: f3: ; CHECK-LABEL: f3:
; CHECK: lxeb %f0, 4092(%r3) ; CHECK: lxeb %f0, 4092(%r3)
; CHECK: std %f0, 0(%r2) ; CHECK: std %f0, 0(%r2)
; CHECK: std %f2, 8(%r2) ; CHECK: std %f2, 8(%r2)
; CHECK: br %r14 ; CHECK: br %r14
%ptr = getelementptr float, float *%base, i64 1023 %ptr = getelementptr float, float *%base, i64 1023
%val = load float, float *%ptr %val = load float, float *%ptr
%res = call fp128 @llvm.experimental.constrained.fpext.f128.f32(float %val, %res = call fp128 @llvm.experimental.constrained.fpext.f128.f32(float %val,
metadata !"fpexcept.strict") metadata !"fpexcept.strict") #0
store fp128 %res, fp128 *%dst store fp128 %res, fp128 *%dst
ret void ret void
} }
; Check the next word up, which needs separate address logic. ; Check the next word up, which needs separate address logic.
; Other sequences besides this one would be OK. ; Other sequences besides this one would be OK.
define void @f4(fp128 *%dst, float *%base) { define void @f4(fp128 *%dst, float *%base) #0 {
; CHECK-LABEL: f4: ; CHECK-LABEL: f4:
; CHECK: aghi %r3, 4096 ; CHECK: aghi %r3, 4096
; CHECK: lxeb %f0, 0(%r3) ; CHECK: lxeb %f0, 0(%r3)
; CHECK: std %f0, 0(%r2) ; CHECK: std %f0, 0(%r2)
; CHECK: std %f2, 8(%r2) ; CHECK: std %f2, 8(%r2)
; CHECK: br %r14 ; CHECK: br %r14
%ptr = getelementptr float, float *%base, i64 1024 %ptr = getelementptr float, float *%base, i64 1024
%val = load float, float *%ptr %val = load float, float *%ptr
%res = call fp128 @llvm.experimental.constrained.fpext.f128.f32(float %val, %res = call fp128 @llvm.experimental.constrained.fpext.f128.f32(float %val,
metadata !"fpexcept.strict") metadata !"fpexcept.strict") #0
store fp128 %res, fp128 *%dst store fp128 %res, fp128 *%dst
ret void ret void
} }
; Check negative displacements, which also need separate address logic. ; Check negative displacements, which also need separate address logic.
define void @f5(fp128 *%dst, float *%base) { define void @f5(fp128 *%dst, float *%base) #0 {
; CHECK-LABEL: f5: ; CHECK-LABEL: f5:
; CHECK: aghi %r3, -4 ; CHECK: aghi %r3, -4
; CHECK: lxeb %f0, 0(%r3) ; CHECK: lxeb %f0, 0(%r3)
; CHECK: std %f0, 0(%r2) ; CHECK: std %f0, 0(%r2)
; CHECK: std %f2, 8(%r2) ; CHECK: std %f2, 8(%r2)
; CHECK: br %r14 ; CHECK: br %r14
%ptr = getelementptr float, float *%base, i64 -1 %ptr = getelementptr float, float *%base, i64 -1
%val = load float, float *%ptr %val = load float, float *%ptr
%res = call fp128 @llvm.experimental.constrained.fpext.f128.f32(float %val, %res = call fp128 @llvm.experimental.constrained.fpext.f128.f32(float %val,
metadata !"fpexcept.strict") metadata !"fpexcept.strict") #0
store fp128 %res, fp128 *%dst store fp128 %res, fp128 *%dst
ret void ret void
} }
; Check that LXEB allows indices. ; Check that LXEB allows indices.
define void @f6(fp128 *%dst, float *%base, i64 %index) { define void @f6(fp128 *%dst, float *%base, i64 %index) #0 {
; CHECK-LABEL: f6: ; CHECK-LABEL: f6:
; CHECK: sllg %r1, %r4, 2 ; CHECK: sllg %r1, %r4, 2
; CHECK: lxeb %f0, 400(%r1,%r3) ; CHECK: lxeb %f0, 400(%r1,%r3)
; CHECK: std %f0, 0(%r2) ; CHECK: std %f0, 0(%r2)
; CHECK: std %f2, 8(%r2) ; CHECK: std %f2, 8(%r2)
; CHECK: br %r14 ; CHECK: br %r14
%ptr1 = getelementptr float, float *%base, i64 %index %ptr1 = getelementptr float, float *%base, i64 %index
%ptr2 = getelementptr float, float *%ptr1, i64 100 %ptr2 = getelementptr float, float *%ptr1, i64 100
%val = load float, float *%ptr2 %val = load float, float *%ptr2
%res = call fp128 @llvm.experimental.constrained.fpext.f128.f32(float %val, %res = call fp128 @llvm.experimental.constrained.fpext.f128.f32(float %val,
metadata !"fpexcept.strict") metadata !"fpexcept.strict") #0
store fp128 %res, fp128 *%dst store fp128 %res, fp128 *%dst
ret void ret void
} }
attributes #0 = { strictfp }